bb

number_of_joinery = int(input())
type_of_joinery = input()
delivery = input()

price = 0

if type_of_joinery == "90X130":
    price = 110 * number_of_joinery
    if 30 < number_of_joinery <= 60:
        price = price * 0.95
    elif number_of_joinery > 60:
        price = price * 0.92
elif type_of_joinery == "100X150":
    price = 140 * number_of_joinery
    if 40 < number_of_joinery <= 80:
        price = price * 0.94
    elif number_of_joinery > 80:
        price = price * 0.90
elif type_of_joinery == "130X180":
    price = 190 * number_of_joinery
    if 20 < number_of_joinery <= 50:
        price = price * 0.93
    elif number_of_joinery > 50:
        price = price * 0.88
elif type_of_joinery == "200X300":
    price = 250 * number_of_joinery
    if 25 < number_of_joinery <= 50:
        price = price * 0.91
    elif number_of_joinery > 50:
        price = price * 0.86

if delivery == "With delivery":
    price += 60

if number_of_joinery < 10:
    print("Invalid order")
else:
    if number_of_joinery > 99:
        price = price * 0.96
    print(f"{price:.2f} BGN")